How to sort array contants in a structures in alphabetical orders C++

I have an assignment in class I'm and almost done but I need help with one part.

Within each subject in the output file, list the students in alphabetic order, sorted by last name. Do not change the given case (upper/lower case) of the names that were read from the input file when you print the output file. However, this sort needs to be true alphabetical (not just the "lexicographical" sort).

Hi. so this is actually a continuation from another question of mine[Here](https://www.daniweb.com/programming/software-development/threads/506795/dynamically-add-values-into-datagridview-cell-from-listbox-vb2010) but i was advised to start a new thread as the original question …

I have a 2d matrix with dimension (3, n) called A, I want to calculate the normalization and cross product of two arrays (b,z) (see the code please) for each column (for the first column, then the second one and so on).
the function that I created to find the ...

Write a C program that should create a 10 element array of random integers (0 to 9). The program should total all of the numbers in the odd positions of the array and compare them with the total of the numbers in the even positions of the array and indicate ...